diff --git a/pyproject.toml b/pyproject.toml
index f9d6d3f..5642e16 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -53,6 +53,7 @@ dependencies = [
     "pygments>=2.16",
     "pymdown-extensions>=10.15",
     "pyyaml>=6.0.2",
+    "tomli>=2.0; python_version < '3.11'",
 ]
 
 [project.urls]
diff --git a/python/zensical/config.py b/python/zensical/config.py
index 65b2113..72645ec 100644
--- a/python/zensical/config.py
+++ b/python/zensical/config.py
@@ -25,9 +25,13 @@ from __future__ import annotations
 
 import importlib
 import os
-import tomllib
 import yaml
 
+try:
+    import tomllib
+except ModuleNotFoundError:
+    import tomli as tomllib  # type: ignore
+
 from click import ClickException
 from deepmerge import always_merger
 from functools import partial